Global Patent Index - EP 2528723 B1

EP 2528723 B1 20150304 - EXTRUSION EQUIPMENT FOR MANUFACTURING PLASTIC PROFILE MEMBERS AND IMPLEMENTATION METHOD

Title (en)

EXTRUSION EQUIPMENT FOR MANUFACTURING PLASTIC PROFILE MEMBERS AND IMPLEMENTATION METHOD

Title (de)

EXTRUSIONSVORRICHTUNG ZUR HERSTELLUNG VON KUNSTSTOFFPROFILELEMENTEN UND IMPLEMENTIERUNGSVERFAHREN

Title (fr)

OUTILLAGE D'EXTRUSION POUR LA FABRICATION DE PROFILES EN MATIERE PLASTIQUE ET PROCEDE DE MISE EN OEUVRE

Publication

EP 2528723 B1 20150304 (FR)

Application

EP 11705009 A 20110107

Priority

  • FR 1000299 A 20100127
  • FR 2011050027 W 20110107

Abstract (en)

[origin: WO2011092409A1] The invention relates to extrusion equipment for manufacturing plastic profile members having reinforcing elements, said extrusion equipment including: a channel (1) having an inlet unit (1a) for high-pressure injection of the plastic into passages (4b, 4c, 5b, 5c, ...7b, 7c) that pass through consecutive units (1a - 1e) so as to gradually give the shape thereof to the profile member up to an outlet opening leading out to the final profile; and a mandrel (3a, 3e) that is kept, by means of vanes, inside the passages for the plastic. The equipment comprises channels (C1 - C2) for inserting continuous reinforcing rods (J1 - J2) that form the reinforcing elements, and said channels (C1 - C2) are separate, over the main portion of the path thereof, from the passages (4b, 4c, 5b, 5c, ...7b, 7c) for the plastic and lead only into an area (8b, 8c) of said passages near the outlet where the pressure of the injected plastic has become sufficiently low so that, in the absence of the rods, the plastic does not seep into the channels.

IPC 8 full level

B29C 48/06 (2019.01); B29C 48/11 (2019.01); B29C 48/12 (2019.01); B29C 48/32 (2019.01); E04C 3/28 (2006.01)

CPC (source: EP US)

B29C 48/06 (2019.01 - EP US); B29C 48/11 (2019.01 - EP US); B29C 48/12 (2019.01 - EP US); B29C 48/15 (2019.01 - EP US); B29C 48/304 (2019.01 - EP US); B29C 48/32 (2019.01 - EP US); E04C 3/28 (2013.01 - EP US); B29C 48/2886 (2019.01 - EP US); B29K 2105/06 (2013.01 - EP); B29K 2105/10 (2013.01 - EP); B29K 2105/12 (2013.01 - EP); B29L 2031/60 (2013.01 - EP)

Citation (opposition)

Opponent : Greiner Tool.Tec GmbH,

Opponent : REHAU AG + Co,

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

FR 2955523 A1 20110729; FR 2955523 B1 20130125; EP 2528723 A1 20121205; EP 2528723 B1 20150304; WO 2011092409 A1 20110804

DOCDB simple family (application)

FR 1000299 A 20100127; EP 11705009 A 20110107; FR 2011050027 W 20110107